by Edet, C. O., Okoi, P. O, Chima, S. O
Published in Revista Brasileira de Ensino de Física (2020)

by Obu, J. A., Okoi, P. O., Okorie, U. S.
Published in Indian journal of physics (01.03.2021)

by Edet, C. O., Okoi, P. O., Yusuf, A. S., Ushie, P. O., Amadi, P. O.
Published in Indian journal of physics (01.03.2021)

by Edet, C O, Okoi, P O, Yusuf, A S, Ushie, P O
Published in arXiv.org (16.09.2019)

by Edet, C. O, Okoi, P. O, Chima, S. O
Year of Publication 21.09.2019

by Okoi, P. O, Edet, C. O, Magu, T. O
Year of Publication 16.09.2019

by Ekpo, C. M, Inyang, Ephraim P, Okoi, P. O, Magu, T. O, Agbo, E. P, Okorie, K O, Inyang, Etido P
Year of Publication 04.12.2020

by Edet, C O, Okoi, P O, Chima, S O
Published in arXiv.org (21.09.2019)

by Okoi, P O, Edet, C O, Magu, T O
Published in arXiv.org (16.09.2019)

by Ekpo, C M, Inyang, Ephraim P, Okoi, P O, Magu, T O, Agbo, E P, Okorie, K O, Inyang, Etido P
Published in arXiv.org (04.12.2020)